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Questions on the introductory lessons.

Of what is the body built?—­“Of bones.”

What covers the bones?—­“Flesh.”

What covers the flesh?—­“Skin.”

What flows through the body?—­“Blood.”

Where does the blood flow from?—­“The heart.”

When does the blood flow from the heart?—­“Every time the heart beats.”

Show with your hand how the heart beats.

When does the heart beat?—­“All the time.”

What happens when the heart stops beating?—­“We die.”

What do you see on the back of your hand, beneath the skin?—­“Veins”

What is in the veins?—­“Bad blood.”

What are the veins?—­“Pipes for the bad blood to pass through.”

Where do the veins carry the bad blood?—­“To the heart.”

Where does the heart send the bad blood?—­“To the lungs.”

What happens to the bad blood when in the lungs?—­“It is made pure.”

What makes the bad blood pure?—­“The air.”

How does the air get into the lungs?—­“Through my nose, mouth, and windpipe.”

What is breathing?—­“Letting the air into and out of my lungs, through my nose, mouth, and windpipe.”

When do you breathe?—­“All the time.”

What do you breathe?—­“Air.”

What do you breaths through?—­“My nose, mouth, and windpipe.”

Where do you get the air?—­“Everywhere.”

Where do the lungs send the pure blood?—­“To the heart.”

Where does the heart send the pure blood?—­“All through the body.”

How does the heart send the pure blood through the body?—­“Through pipes called arteries.”

What kind of blood passes through the arteries?—­“Pure blood.”

What kind of blood passes through the veins?—­“Impure blood.”

What carries the pure blood through the body?—­“The arteries.”

What carries the impure blood through the body?—­“The veins.”

What makes blood?—­“Food and drink.”

What is food?—­“Anything good to eat.”

What is drink?—­“Anything good to drink.”

Name some kinds of wholesome food.—­“Meat, potatoes, oranges, apples, etc.”

Name some kinds of wholesome drink.—­“Water, milk, lemonade, etc.”

What do you mean by wholesome food?—­“Food that will make good blood.”

What do you mean by wholesome drink?—­“Drink that will make good blood.”

What does the blood make?—­“Bones, flesh, skin, hair, nails, and cartilage.”

What use is the blood to the body?—­“It makes the body grow, and keeps it alive.”

Name some kinds of poisonous drinks.—­“Rum, brandy, ale, cider, etc.”

What do you mean by poisonous drinks?—­“Drinks which hurt or poison the body.”

Why do you say that rum and the other drinks you have named are poisonous?—­“Because they do harm to every part of the body.”